Goblin Welder + Thornbite Staff + Perilous Myr

Prerequisites

• Thornbite Staff attached to Goblin Welder.
• You control a nontoken artifact creature.
• Goblin Welder does not have summoning sickness.

Steps

1. 1Tap Goblin Welder, targeting the artifact creature on the battlefield and Perilous Myr in your graveyard.
2. 2The artifact creature is sacrificed and Perilous Myr enters the battlefield.
3. 3Goblin Welder triggers, untapping itself.
4. 4Activate Goblin Welder again, targeting the artifact creature in your graveyard and Perilous Myr on the battlefield.
5. 5The artifact creature returns to the battlefield and Perilous Myr is sacrificed.
6. 6Goblin Welder triggers, untapping itself.
7. 7Perilous Myr triggers, dealing 2 damage to any target.
8. 8Repeat for infinite damage.

Effects

• Infinite creature ETB
• Infinite creature LTB
• Infinite creature sacrifice triggers
• Infinite damage
• Infinite death triggers